AT89C5122 ATMEL [ATMEL Corporation], AT89C5122 Datasheet - Page 192

• Manufacturer Part Number: AT89C5122
• Description: MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES
• Manufacturer: ATMEL [ATMEL Corporation]

USB Interface
192
AT8xC5122/23
Figure 113. USB Interface
Symbol
V
V
V
V
V
V
REF
IHZ
OH
OL
IH
IL
Parameter
USB Reference Voltage
Input High Voltage for D+ and D- (driven)
Input High Voltage for D+ and D- (floating)
Input Low Voltage for D+ and D-
Output High Voltage for D+ and D-
Output Low Voltage for D+ and D-
Min
3.0
2.0
2.7
2.8
0.0
Typ
(5)
Max
4202D–SCR–06/05
3.6
4.0
3.6
0.8
3.6
0.3
Unit
V
V
V
V
V
V